256911508

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{42283}}^1$

素因数の和:42332

約数の個数: 36

約数和(自身を含む): 539882112

約数和(自身を除く): 282970604

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 42283, 84566, 169132, 295981, 591962, 1183924, 1310773, 2071867, 2621546, 4143734, 5243092, 8287468, 9175411, 18350822, 36701644, 64227877, 128455754, 256911508]

約数ペア:

[(1, 256911508), (2, 128455754), (4, 64227877), (7, 36701644), (14, 18350822), (28, 9175411), (31, 8287468), (49, 5243092), (62, 4143734), (98, 2621546), (124, 2071867), (196, 1310773), (217, 1183924), (434, 591962), (868, 295981), (1519, 169132), (3038, 84566), (6076, 42283)]